BIG BANG THEORY🩵 Flashcards
(5 cards)
1
Q
What is the universe?
A
A vast area of space within which we find all the galaxies, stars and solar systems
2
Q
Who discovered that the universe is expanding?
A
Edwin Hubble
3
Q
What is Hubble’s Law?
A
Galaxies are moving away from each other. The farther away a galaxy is, the faster the galaxy is moving away from us.
4
Q
Singularity
A
A zone that is very, very small, very very dense and very very hot
5
Q
Define gravity
A
A force that pulls particles together
